Trigonometry - Arithmetic Aptitude Questions and Answers

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If cos 65° + cos 55° = cos θ, find θ in radians

A.

0.087

B.

0.765

C.

1.213

D.

1.421

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Find the value of sin (arc cos15/17)

A.

8/11

B.

8/15

C.

8/17

D.

8/19

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The sine of a certain angle is 0.6, calculate the cotangent of the angle.

A.

3/4

B.

4/3

C.

4/5

D.

5/4

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If sec 2A =1/sin13A, determine the angle A in degrees.

A.

3°

B.

5°

C.

6°

D.

7°

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If tan x =1/2, tan y = 1/3, what is the value of tan (x + y)?

A.

1

B.

2

C.

1/2

D.

1/6

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Find the value of y in the given: y = (1 + cos θ) tan θ

A.

sin θ

B.

cos θ

C.

sin 2θ

D.

cos 2θ

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Find the value of (sin θ + cos θ tanθ)/cos θ

A.

2 sin θ

B.

2 tan θ

C.

2 cos θ

D.

2 cot θ

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Simplify the equation sin^2θ(1 + cot^2θ)

A.

1

B.

sin^2θ

C.

sec^2θ

D.

sin^2θsec^2θ

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Simplify the expression sec θ – (sec θ)sin^2θ

A.

sin θ

B.

cos θ

C.

cos^2θ

D.

sin^2θ